JR1FMJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JR1FMJ, decoded by SO8OO in southeastern Poland. 70 related FT8 messages, 8 CQ messages, observed on 20m, across 6 UTC dates. Heard between 2026-05-26 and 2026-08-20.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

70
Related messages
8
CQ messages
6
UTC dates heard
-2 dB
Mean decoder S/N

Bands

20m
First seen: 2026-05-26
Last seen: 2026-08-20 18:07 UTC

Activity Heatmap

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandJR1FMJ S/NCounterpartCounterpart S/NMsgsCapture
08-20 20:05 20m - / -8 CT2HVF +7 / - 5 ✓ Closing fragment
08-20 20:00 20m - / -17 F4JUQ +16 / - 4 ✓ Closing fragment
08-01 21:22 20m - / - DB5BC -1 / - 8 Partial capture
08-01 21:22 20m - / - F1LXJ 0 / - 4 Partial capture
08-01 21:21 20m - / -12 F4IBJ +4 / - 4 ✓ Closing fragment
08-01 21:20 20m - / -3 IZ5WTV 0 / - 3 ✓ Closing fragment
08-01 21:17 20m - / - F4IBJ -1 / - 4 Partial capture
07-14 19:01 20m - / -6 F1ODM +2 / - 5 ✓ Closing fragment
07-14 19:01 20m - / -10 RA6OF -14 / - 2 ✓ Closing fragment
06-06 19:18 20m -8 / -2 Z34K -11 / -4 4 ✓ Full exchange observed
06-06 19:17 20m -10 / - YO9IBC -16 / - 2 ✓ Closing observed
06-06 19:12 20m -9 / +6 OE3UKW -12 / -2 3 ✓ Full exchange observed
06-06 19:12 20m - / -18 UR6QV -2 / - 7 Partial capture
06-02 19:28 20m - / - IW0BLW 0 / - 2 Partial capture
06-02 19:26 20m -2 / - SM7OYP - / -21 2 ✓ Closing fragment
06-02 19:25 20m -2 / - BD7KWU - / +2 2 ✓ Closing fragment
06-02 19:25 20m -6 / - IQ4JO +11 / - 2 ✓ Closing observed
05-26 20:55 20m -19 / - UR3COE - / -15 4 Partial capture
05-26 20:52 20m -21 / -12 SP5EXA -11 / +6 5 ✓ Full exchange observed
05-26 20:48 20m -15 / - IZ1NQY - / -4 2 ✓ Closing fragment
05-26 20:46 20m -12 / -12 R5AV -4 / -3 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

20m
UTC    dB Audio  Message
212330  +2 2861  JR1FMJ DB5BC JO30
212330  -4 1259  JR1FMJ F1LXJ JO10
212400  +2 2861  JR1FMJ DB5BC JO30 (x4)
200030 +15  424  JR1FMJ F4JUQ -17 (x4)
200500  +6 1291  JR1FMJ CT2HVF IM58 (x5)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.